feat(SelectPanel2): Convert SelectPanel2 to CSS modules

.changeset/cyan-boxes-peel.md

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+---
+"@primer/react": minor
+---
+
+Convert SelectPanel2 to CSS modules

packages/react/src/experimental/SelectPanel2/SelectPanel.module.css

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+.Overlay {
+  padding: 0;
+  color: var(--fgColor-default);
+  border: none;
+
+  /* CSS variables values are passed in via styles */
+  --max-height: 0;
+  --position-top: 0;
+  --position-left: 0;
+
+  &:where([open]) {
+    display: flex; /* to fit children */
+  }
+
+  &:where([data-variant='anchored']),
+  &:where([data-variant='full-screen']) {
+    /* stylelint-disable-next-line primer/spacing */
+    top: var(--position-top);
+    /* stylelint-disable-next-line primer/spacing */
+    left: var(--position-left);
+    margin: 0;
+
+    &::backdrop {
+      background-color: transparent;
+    }
+  }
+
+  &:where([data-variant='modal'])::backdrop {
+    background-color: var(--overlay-backdrop-bgColor);
+  }
+
+  &:where([data-variant='full-screen']) {
+    top: 0;
+    left: 0;
+    width: 100%;
+    max-width: 100vw;
+    height: 100%;
+    max-height: 100vh;
+    margin: 0;
+    border-radius: unset;
+  }
+
+  &:where([data-variant='bottom-sheet']) {
+    top: auto;
+    bottom: 0;
+    left: 0;
+    width: 100%;
+    max-width: 100vw;
+    max-height: calc(100vh - 64px);
+    margin: 0;
+    border-bottom-right-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+}
+
+.Form {
+  display: flex;
+  width: 100%;
+  flex-direction: column;
+}
+
+.Container {
+  display: flex;
+  overflow: hidden;
+  flex-direction: column;
+  flex-shrink: 1;
+  flex-grow: 1;
+  justify-content: space-between;
+
+  ul {
+    overflow-y: auto;
+    flex-grow: 1;
+  }
+}
+
+.HeaderContent {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 0;
+
+  &:where([data-description]) {
+    align-items: flex-start;
+  }
+
+  &:where([data-search-input]) {
+    margin-bottom: var(--base-size-8);
+  }
+}
+
+.TitleWrapper {
+  margin-top: 0;
+  margin-left: var(--base-size-8);
+
+  &:where([data-description]) {
+    /* stylelint-disable-next-line primer/spacing */
+    margin-top: 2px;
+  }
+
+  &:where([data-on-back]) {
+    margin-left: var(--base-size-4);
+  }
+}
+
+.TextInput {
+  padding-left: var(--base-size-8) !important;
+
+  &:has(input:placeholder-shown) :global(.TextInput-action) {
+    display: none;
+  }
+}
+
+.Checkbox {
+  margin-top: 0;
+}
+
+.FlexBox {
+  display: flex;
+}
+
+.Title {
+  font-size: var(--text-body-size-medium);
+  font-weight: var(--base-text-weight-semibold);
+}
+
+.Description {
+  display: block;
+  font-size: var(--text-body-size-small);
+  color: var(--fgColor-muted);
+}
+
+.ClearAction {
+  color: var(--fgColor-muted);
+  background: none;
+}
+
+.Footer {
+  display: flex;
+  min-height: 44px;
+  padding: var(--base-size-16);
+  border-top: var(--borderWidth-thin) solid;
+  border-top-color: var(--borderColor-default);
+  justify-content: space-between;
+  align-items: center;
+  flex-shrink: 0;
+
+  &:where([data-hide-primary-actions]) {
+    padding: var(--base-size-8);
+  }
+}
+
+.FooterContent {
+  flex-grow: 0;
+
+  &:where([data-hide-primary-actions]) {
+    flex-grow: 1;
+  }
+}
+
+.FooterActions {
+  display: flex;
+  gap: var(--stack-gap-condensed);
+}
+
+.SecondaryCheckbox {
+  display: flex;
+  align-items: center;
+  gap: var(--stack-gap-condensed);
+}
+
+.SmallText {
+  font-size: var(--text-body-size-small);
+}
+
+.SelectPanelLoading {
+  display: flex;
+  height: 100%;
+
+  /* maxHeight of dialog - (header & footer) */
+  min-height: min(calc(var(--max-height) - 150px), 324px);
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  gap: var(--stack-gap-normal);
+}
+
+.LoadingText {
+  font-size: var(--text-body-size-medium);
+  color: var(--fgColor-muted);
+}
+
+.MessageFull {
+  display: flex;
+  height: 100%;
+
+  /* maxHeight of dialog - (header & footer) */
+  min-height: min(calc(var(--max-height) - 150px), 324px);
+  padding-right: var(--base-size-24);
+  padding-left: var(--base-size-24);
+  text-align: center;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  flex-grow: 1;
+  gap: var(--base-size-4);
+
+  a {
+    color: inherit;
+    text-decoration: underline;
+  }
+}
+
+.Octicon {
+  margin-bottom: var(--base-size-8);
+
+  &.Error {
+    color: var(--fgColor-danger);
+  }
+
+  &.Warning {
+    color: var(--fgColor-attention);
+  }
+}
+
+.MessageTitle {
+  font-size: var(--text-body-size-medium);
+  font-weight: var(--base-text-weight-medium);
+}
+
+.MessageContent {
+  display: flex;
+  font-size: var(--text-body-size-medium);
+  color: var(--fgColor-muted);
+  flex-direction: column;
+  gap: var(--stack-gap-condensed);
+  align-items: center;
+}
+
+.MessageInline {
+  display: flex;
+  padding-top: var(--base-size-12);
+  padding-right: var(--base-size-16);
+  padding-bottom: var(--base-size-12);
+  padding-left: var(--base-size-16);
+  font-size: var(--text-body-size-small);
+  border-bottom: var(--borderWidth-thin) solid;
+  gap: var(--stack-gap-condensed);
+
+  a {
+    color: inherit;
+    text-decoration: underline;
+  }
+
+  &:where([data-variant='error']) {
+    color: var(--fgColor-danger);
+    background-color: var(--bgColor-danger-muted);
+    border-color: var(--borderColor-danger-muted);
+  }
+
+  &:where([data-variant='warning']) {
+    color: var(--fgColor-attention);
+    background-color: var(--bgColor-attention-muted);
+    border-color: var(--borderColor-attention-muted);
+  }
+}
+
+.Header {
+  display: flex;
+  padding: var(--base-size-8);
+  flex-direction: column;
+  border-bottom: var(--borderWidth-thin) solid;
+  border-bottom-color: var(--borderColor-default);
+}